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I've an unmarked adapter that my LBS claims matches a 180mm front PM/IS adapter. Is this identical to a 160mm rear adapter?
Posted : 03/09/2018 12:19 pm
Topic starter
The answer is yes: http://blog.artscyclery.com/keeping-the-rubber-side-down/rubber-side-down-disc-brake-adapters/
tl;dr: IS assumes 160mm front and 140mm rear. The adapters are actually +0 +20 +40 +60 +63.
Posted : 03/09/2018 5:16 pm